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73151970422013 = 32723161303312979
BaseRepresentation
bin10000101000100000000101…
…001101100010110011111101
3100121000021000121001100222100
4100220200011031202303331
534042010213412001023
6415325315024335313
721260025010123020
oct2050400515426375
9317007017040870
1073151970422013
112134363826519a
128255412a74539
1331a82800a5532
14140c807aa91b7
1586ccb5cd7c43
hex428805362cfd

73151970422013 has 48 divisors (see below), whose sum is σ = 126010375096320. Its totient is φ = 39983310065952.

The previous prime is 73151970421997. The next prime is 73151970422023. The reversal of 73151970422013 is 31022407915137.

73151970422013 is a `hidden beast` number, since 7 + 3 + 1 + 519 + 70 + 42 + 20 + 1 + 3 = 666.

It is not a de Polignac number, because 73151970422013 - 24 = 73151970421997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73151970422013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73151970422023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233571558 + ... + 233884536.

It is an arithmetic number, because the mean of its divisors is an integer number (2625216147840).

Almost surely, 273151970422013 is an apocalyptic number.

It is an amenable number.

73151970422013 is a deficient number, since it is larger than the sum of its proper divisors (52858404674307).

73151970422013 is a wasteful number, since it uses less digits than its factorization.

73151970422013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474318 (or 474315 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 73151970422013 in words is "seventy-three trillion, one hundred fifty-one billion, nine hundred seventy million, four hundred twenty-two thousand, thirteen".

Divisors: 1 3 7 9 21 23 63 69 161 207 483 1449 161303 312979 483909 938937 1129121 1451727 2190853 2816811 3387363 3709969 6572559 7198517 10162089 11129907 19717677 21595551 25969783 33389721 50389619 64786653 77909349 151168857 233728047 453506571 50484451637 151453354911 353391161459 454360064733 1060173484377 1161142387651 3180520453131 3483427162953 8127996713557 10450281488859 24383990140671 73151970422013